The Quad Coupler 1.5 Parallel is made by bolting two Quad Couplers together. One Quad Coupler bolts together with the flat or non-keyed side facing and interlocking with the other’s keyed side in a parallel configuration.
Minimum Size: 1.25" OD tube, 1" pipe, 1.315" OD pipe
Maximum Size: 1.5" OD tube, 1-1/4" pipe
Safe Vertical Working Load: 770 Pounds
Hardware: 3/8" – 16 tpi x 1.25" Socket Head Cap Screw. 2 way nylon ocking nut.
Dimensions: 1.25" thick each coupler